<%@ page contentType="text/html;charset=UTF-8" language="java" pageEncoding="utf-8" %>
<html>
<head>
    <title>登录</title>
</head>
<body>
${msg}
<form action="/check" method="post">
    <input type="text" placeholder="username" name="username"/><br>
    <input type="password" placeholder="pass" name="pass"/><br>
    <input type="submit"/>
</form>
</body>
</html>